DE3472507D1 - Protective relay system - Google Patents

Protective relay system

Info

Publication number: DE3472507D1
Authority: DE; Germany
Prior art keywords: relay system; protective relay; protective; relay
Prior art date: 1983-03-04
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Expired

Application number

DE8484301387T

Other languages

German (de)

Inventor

Fumio C O Patent Divisio Andow

Junichi C O Patent Div Inagaka

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Toshiba Corp

Original Assignee

Toshiba Corp

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1983-03-04

Filing date

1984-03-02

Publication date

1988-08-04

1984-03-02 Application filed by Toshiba Corp filed Critical Toshiba Corp

1988-08-04 Application granted granted Critical

1988-08-04 Publication of DE3472507D1 publication Critical patent/DE3472507D1/en

Status Expired legal-status Critical Current

Links

Classifications

- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/26—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured
- H02H7/261—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured involving signal transmission between at least two stations
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H1/00—Details of emergency protective circuit arrangements
- H02H1/0061—Details of emergency protective circuit arrangements concerning transmission of signals
- H02H1/0069—Details of emergency protective circuit arrangements concerning transmission of signals by means of light or heat rays

Landscapes

Physics & Mathematics (AREA)
Electromagnetism (AREA)
Emergency Protection Circuit Devices (AREA)

DE8484301387T 1983-03-04 1984-03-02 Protective relay system Expired DE3472507D1 (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
JP58035525A JPS59162711A (en)	1983-03-04	1983-03-04	Protective relaying device

Publications (1)

Publication Number	Publication Date
DE3472507D1 true DE3472507D1 (en)	1988-08-04

Family

ID=12444156

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DE8484301387T Expired DE3472507D1 (en)	1983-03-04	1984-03-02	Protective relay system

Country Status (4)

Country	Link
US (1)	US4561120A (en)
EP (1)	EP0119042B1 (en)
JP (1)	JPS59162711A (en)
DE (1)	DE3472507D1 (en)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS6025336A (en) *	1983-07-21	1985-02-08	Hitachi Ltd	Carrier relay system
GB8506256D0 (en) *	1985-03-11	1985-04-11	Johns A T	Electrical supply line protection apparatus
US4897836A (en) *	1987-10-20	1990-01-30	Gazelle Microcircuits, Inc.	Programmable connection path circuit
US5592354A (en) *	1991-03-19	1997-01-07	Nocentino, Jr.; Albert	Audio bandwidth interface apparatus for pilot wire relays
US5426554A (en) *	1991-03-19	1995-06-20	Albert Nocentino, Jr.	Audio bandwidth interface apparatus for pilot wire relays
US5742513A (en) *	1996-05-15	1998-04-21	Abb Power T&D Company Inc.	Methods and systems for automatic testing of a relay
DE10014929C2 (en) *	2000-03-20	2002-07-11	Siemens Ag	Method for performing automatic reclosing and reclosing device
SE518947C2 (en) *	2000-07-12	2002-12-10	Abb Ab	Power compensation method and power system protection device
US7701683B2 (en) *	2001-07-06	2010-04-20	Schweitzer Engineering Laboratories, Inc.	Apparatus, system, and method for sharing output contacts across multiple relays
US6707652B2 (en) *	2002-07-10	2004-03-16	Eaton Corporation	Electrical switching apparatus including glowing contact protection
JP4908018B2 (en) *	2006-02-28	2012-04-04	株式会社東芝	Current differential relay device, signal processing method thereof, and transmission line protection system
US9256232B2 (en)	2009-06-12	2016-02-09	Schweitzer Engineering Laboratories, Inc.	Voltage regulation using multiple voltage regulator controllers
US8427131B2 (en) *	2009-06-12	2013-04-23	Schweitzer Engineering Laboratories Inc	Voltage regulation at a remote location using measurements from a remote metering device
US8476874B2 (en)	2009-10-13	2013-07-02	Schweitzer Engineering Laboratories, Inc	Systems and methods for synchronized control of electrical power system voltage profiles
WO2015047269A1 (en) *	2013-09-26	2015-04-02	Schneider Electric USA, Inc.	Load center monitor with optical waveguide sheet
CN115376304A (en) *	2021-05-21	2022-11-22	西门子股份公司	Transmission device and transmission method for protection signaling of power system

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3882361A (en) *	1972-10-04	1975-05-06	Westinghouse Electric Corp	Segregated phase comparison relaying apparatus
SE392158B (en) *	1976-05-21	1977-03-14	Skf Nova Ab	WAREHOUSE
JPS6046615B2 (en) *	1977-06-13	1985-10-17	東京電力株式会社	protection control device
JPS551741A (en) *	1978-06-19	1980-01-08	Matsushita Electric Ind Co Ltd	Receiver
JPS5642216A (en) *	1979-09-14	1981-04-20	Copal Co Ltd	Program exposure control unit by open photometry suited for lens interchangeable camera
JPS5833799B2 (en) *	1980-06-19	1983-07-22	沖電気工業株式会社	Inductive load drive circuit

1983
- 1983-03-04 JP JP58035525A patent/JPS59162711A/en active Granted
1984
- 1984-03-01 US US06/585,202 patent/US4561120A/en not_active Expired - Lifetime
- 1984-03-02 EP EP84301387A patent/EP0119042B1/en not_active Expired
- 1984-03-02 DE DE8484301387T patent/DE3472507D1/en not_active Expired

Also Published As

Publication number	Publication date
EP0119042B1 (en)	1988-06-29
EP0119042A1 (en)	1984-09-19
JPS59162711A (en)	1984-09-13
JPH0241252B2 (en)	1990-09-17
US4561120A (en)	1985-12-24

Legal Events

Date	Code	Title	Description
1989-07-20	8364	No opposition during term of opposition
2003-01-16	8339	Ceased/non-payment of the annual fee

Publication	Publication Date	Title
EP0115877A3 (en)	1988-06-01	Critical system protection
GB2072974B (en)	1984-02-29	Protective relay system
DE3275254D1 (en)	1987-02-26	Protection relay system
DE3472507D1 (en)	1988-08-04	Protective relay system
DE3471209D1 (en)	1988-06-16	Protective relay system
DE3374500D1 (en)	1987-12-17	Protective relay system
DE3268572D1 (en)	1986-02-27	Protective relay system
ZA821645B (en)	1983-04-27	Protective relay
DE3275255D1 (en)	1987-02-26	Protection relay system
DE3270515D1 (en)	1986-05-15	Protective relay for power system
JPS57208819A (en)	1982-12-22	Protective relay unit
JPS57180316A (en)	1982-11-06	Protective relay unit
JPS57132723A (en)	1982-08-17	Protection relay
JPS5720121A (en)	1982-02-02	Protective relay unit
JPS57202825A (en)	1982-12-11	Protective relay unit
JPS57183220A (en)	1982-11-11	Protective relay unit
JPS57180315A (en)	1982-11-06	Protective relay
JPS57148530A (en)	1982-09-13	Protecting relay
JPS57145517A (en)	1982-09-08	Protecting relay
JPS57145524A (en)	1982-09-08	Protecting relay
JPS57142119A (en)	1982-09-02	Protecting relay
JPS57166815A (en)	1982-10-14	Protective relay system
JPS57170019A (en)	1982-10-20	Protective relay system
JPS57113723A (en)	1982-07-15	Protection relay system
JPS56123732A (en)	1981-09-29	Protecting relay system